package 强化训练;

import java.util.Scanner;

public class day26快到碗里来 {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()){
            double len = sc.nextDouble();
            double r = sc.nextDouble();
            double res = 0;
            double PI = 3.14;
            res = 2 * r * PI;
            if (res - len >= 0){
                System.out.println("Yes");
            }else {
                System.out.println("No");
            }
        }
    }
}
